/*
 * Copyright 2024 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package com.netflix.sel.ext;

import com.netflix.sel.type.SelType;

/**
 * Extension interface. Note that the extension developers are responsible to ensure the security.
 * Once SEL calls extension, the extension will have the full control to run its own business
 * logics.
 */
public interface Extension {
  /**
   * Call a method from the extension.
   *
   * @param methodName method name
   * @param args the arguments to the method call
   * @return return the result or empty if not supported.
   * @throws UnsupportedOperationException if the method or args are unsupported
   */
  SelType call(String methodName, SelType[] args);
}
